Tiundaland is a historic region, '' Folkland'', and since 1296 part of the modern province of

Uppland Uppland is a historical province or ' on the eastern coast of Sweden, just north of Stockholm, the capital. It borders Södermanland, Västmanland and Gästrikland. It is also bounded by lake Mälaren and the Baltic Sea. The name literally ...

. It originally meant the ''land of the ten

hundred 100 or one hundred (Roman numerals, Roman numeral: C) is the natural number following 99 (number), 99 and preceding 101 (number), 101. In mathematics 100 is the square of 10 (number), 10 (in scientific notation it is written as 102). The standar ...

s'' and referred to its duty of providing 1000 men and 40 ships for the Swedish king's leidang. A list from 1314 defines Tiundaland as Bälinge Hundred,

Gästrikland Gästrikland () is a historical province or ''landskap'' on the eastern coast of Sweden. It borders Uppland, Västmanland, Dalarna, Hälsingland and the Gulf of Bothnia. Gästrikland is the southernmost and the most densely populated of the No ...

, Håbo Hundred, Hagunda Hundred, Norunda Hundred, Närding Hundred, Oland Hundred, Rasbo Hundred, Ulleråker Hundred and Vaksala Hundred. During the

Viking Age The Viking Age (about ) was the period during the Middle Ages when Norsemen known as Vikings undertook large-scale raiding, colonising, conquest, and trading throughout Europe and reached North America. The Viking Age applies not only to their ...

it probably extended from the coast of the

Baltic Sea The Baltic Sea is an arm of the Atlantic Ocean that is enclosed by the countries of Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden, and the North European Plain, North and Central European Plain regions. It is the ...

Norrtälje Norrtälje is a locality and the seat of Norrtälje Municipality, Stockholm County, Sweden with 17,275 inhabitants in 2010. It is one of the largest towns in Roslagen. History Norrtälje’s early history dates back to the Iron Age. Around 2 ...

to the bay which today is the lake

Mälaren Mälaren ( , , or ), historically referred to as Lake Malar in English, is the third-largest freshwater lake in Sweden (after Vänern and Vättern). Its area is and its greatest depth is 64 m (210 ft). Mälaren spans from east to west. The l ...

. A very strategic position. According to

Snorri Sturluson Snorri Sturluson ( ; ; 1179 – 22 September 1241) was an Icelandic historian, poet, and politician. He was elected twice as lawspeaker of the Icelandic parliament, the Althing. He is commonly thought to have authored or compiled portions of th ...

in the '' Heimskringla'' it was the location of

Uppsala Uppsala ( ; ; archaically spelled ''Upsala'') is the capital of Uppsala County and the List of urban areas in Sweden by population, fourth-largest city in Sweden, after Stockholm, Gothenburg, and Malmö. It had 177,074 inhabitants in 2019. Loc ...

and the Thing of all Swedes, where every year there were great

blót (Old Norse and Old English) or (Old English) are religious ceremonies in Germanic paganism that centred on the killing and offering of an animal to a particular being, typically followed by the communal cooking and eating of its meat. Old Nors ...

s which were attended by many kings. He relates that Tiundaland was the richest and most fertile region of

Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...

where was the seat of the Swedish kings at

, the Swedish Archbishopric and from which Uppsala öd had taken its name. All the Swedish

lawspeaker A lawspeaker or lawman ( Swedish: ''lagman'', Old Swedish: ''laghmaþer'' or ''laghman'', Danish: ''lovsigemand'', Norwegian: ''lagmann'', Icelandic: , Faroese: '' løgmaður'', Finnish: ''laamanni'', ) is a unique Scandinavian legal offic ...

s were subordinate to the one of Tiundaland. :''The third portion of Svithjod proper is called Tiundaland; the fourth Attundaland; the fifth Sialand ( Roslagen), and what belongs to it lies eastward along the coast. Tiundaland is the best and most inhabited part of Svithjod, under which the other kingdoms stand. There Upsala is situated, the seat of the king and archbishop; and from it Upsala-audr ( Uppsala öd), or the domain of the Swedish kings, takes its name. Each of these divisions of the country has its Lag-thing, and Its own laws in many parts. Over each is a lagman'' [

], ''who rules principally in affairs of the bondes'' [yeomen]'': for that becomes law which he, by his speech, determines them to make law: and if king, earl, or bishop goes through the country, and holds a Thing with the bondes, the lagmen aw speakersreply on account of the bondes, and they all follow their lagmen; so that even the most powerful men scarcely dare to come to their Al-thing without regarding the bondes' and lagmen's law. And in all matters in which the laws differ from each other, Upsala-law is the directing law; and the other lagmen are under the lagman who dwells in Tiundaland''

'

See also